Potassium Dihydrogen Phosphate

Potassium dihydrogen phosphate, synonymous with MKP, is a white crystalline powder used in fertilizers and as a reagent. Falls under HTS 2835.24.00.00 for potassium phosphates, chemically defined per Chapter notes.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.1%+35.0%38.1%
🇲🇽Mexico3.1%+10.0%13.1%
🇨🇦Canada3.1%+10.0%13.1%
🇩🇪Germany3.1%+10.0%13.1%
🇯🇵Japan3.1%+10.0%13.1%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2809.20.00Lower: 35% vs 38.1%

If phosphoric acid form

Pure acids classify in 2809; salts derived from them go to 2835 by cation.

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Import Tips & Compliance

Declare exact CAS number (16788-57-1); segregate from ammonia compounds to prevent reactions; check EPA registration if for pesticide use